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Finding the Fourth Proportional to 173,307.60, 259,718.40 and 137,829.60

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Solution

The fourth proportional to 173,307.60, 259,718.40 and 137,829.60 is: 206,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,307.60 : 259,718.40 = 137,829.60 : x
  2. Step 2: Convert to fraction form
    173,307.60/259,718.40 = 137,829.60/x
  3. Step 3: Cross multiply
    173,307.60x = 259,718.40 × 137,829.60
  4. Step 4: Simplify right side
    173,307.60x = 35,796,883,184.64
  5. Step 5: Solve for x
    x = 35,796,883,184.64/173,307.60
  6. Step 6: Final answer
    x = 206,551.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.